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    Re: Making your own spirit level vials-without attached pictures
    From: Michael Dorl
    Date: 2012 Jan 05, 11:49 -0600
    On 1/5/2012 10:32 AM, Randall.F.Morrow@kp.org wrote:
       The glass tubing for the vial was purchased from an on-line glass-blowers supply shop for less than $5.00 in a five foot length.   This length will yield about nine 12.5 mm long vials. 
    do you mean 125 mm?

    5 feet = 60 inches

    60 inches x 25mm/in = 1500mm

    1500mm/9 = 165mm

       
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